<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="直播名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="直播类型" prop="liveType">
        <el-select v-model="queryParams.liveType" placeholder="请选择" style="width: 100%">
          <el-option v-for="dict in dict.type.md_live_type" :key="dict.value" :label="dict.label"
            :value="dict.value"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="是否推荐" prop="isReferral">
        <el-select v-model="queryParams.isReferral" placeholder="请选择" style="width: 100%">
          <el-option label="是" value="1"></el-option>
          <el-option label="否" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="是否显示" prop="status">
        <el-select v-model="queryParams.isReferral" placeholder="请选择" style="width: 100%">
          <el-option label="是" value="1"></el-option>
          <el-option label="否" value="0"></el-option>
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['system:live:add']">新增</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="liveList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="编号" align="center" prop="rid" width="100" />
      <el-table-column label="直播名称" align="center" prop="name" />
      <el-table-column label="封面" align="center" prop="cover" width="150">
        <template slot-scope="{ row }">
          <img :src="`/video-api/${row.cover}`" style="width: 100px" />
        </template>
      </el-table-column>
      <el-table-column label="直播开始时间" align="center" prop="liveStartTime" width="180" />
      <el-table-column label="直播结束时间" align="center" prop="liveEndTime" width="180" />
      <el-table-column label="报名人数" align="center" prop="applyNum" />
      <el-table-column label="直播类型" align="center" prop="liveType">
        <template slot-scope="{ row }">
          <dict-tag :options="dict.type.md_live_type" :value="row.type" />
        </template>
      </el-table-column>
      <el-table-column label="是否推荐" align="center" prop="isReferral">
        <template slot-scope="{ row }">
          <span v-if="row.isReferral === '0'">否</span>
          <span v-if="row.isReferral === '1'">是</span>
        </template>
      </el-table-column>
      <el-table-column label="是否显示" align="center" prop="status">
        <template slot-scope="{ row }">
          <span v-if="row.status === '0'">否</span>
          <span v-if="row.status === '1'">是</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" fixed="right" width="150">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['system:live:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['system:live:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改直播对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="直播名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入直播名称" />
        </el-form-item>
        <el-form-item label="课程描述" prop="courseDescription">
          <el-input v-model="form.courseDescription" placeholder="请输入课程描述" />
        </el-form-item>
        <el-form-item label="直播类型" prop="liveType">
          <el-select v-model="form.liveType" placeholder="请选择直播类型" style="width: 100%">
            <el-option v-for="dict in dict.type.md_live_type" :key="dict.value" :label="dict.label"
              :value="dict.value"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="封面" prop="cover">
          <ImageUpload v-model="form.cover" :limit="1" />
        </el-form-item>
        <el-form-item label="直播回放" prop="video">
          <FileUpload v-model="form.video" :limit="1" :fileSize="5000" :fileType="['mp4']" />
        </el-form-item>
        <el-form-item label="直播开始时间" prop="liveStartTime">
          <el-date-picker clearable v-model="form.liveStartTime" style="width: 100%" type="datetime"
            format="yyyy-MM-dd HH:mm:ss" value-format="yyyy-MM-dd HH:mm:ss" placeholder="请选择直播开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="直播结束时间" prop="liveEndTime">
          <el-date-picker clearable v-model="form.liveEndTime" style="width: 100%" type="datetime"
            format="yyyy-MM-dd HH:mm:ss" value-format="yyyy-MM-dd HH:mm:ss" placeholder="请选择直播结束时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="报名人数" prop="applyNum">
          <el-input v-model="form.applyNum" placeholder="请输入报名人数" />
        </el-form-item>
        <el-form-item label="直播地址" prop="liveUrl">
          <el-input v-model="form.liveUrl" placeholder="请输入直播地址" />
        </el-form-item>
        <el-form-item label="是否推荐" prop="isReferral">
          <el-radio-group v-model="form.isReferral">
            <el-radio label="1">是</el-radio>
            <el-radio label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="是否显示" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio label="1">是</el-radio>
            <el-radio label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listLive, getLive, delLive, addLive, updateLive } from "@/api/web/live";

export default {
  name: "Live",
  dicts: ['md_live_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 直播表格数据
      liveList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        liveType: null,
        isReferral: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "请填写直播名称", trigger: "blur" },
        ],
        liveType: [
          { required: true, message: "请选择直播类型", trigger: "change" },
        ],
        liveStartTime: [
          { required: true, message: "请选择直播开始时间", trigger: "change" },
        ],
        liveEndTime: [
          { required: true, message: "请选择直播结束时间", trigger: "change" },
        ],
        liveUrl: [
          { required: true, message: "请填写直播地址", trigger: "blur" },
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询直播列表 */
    getList() {
      this.loading = true;
      listLive(this.queryParams).then(response => {
        this.liveList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        rid: null,
        name: null,
        courseDescription: null,
        cover: null,
        liveStartTime: null,
        liveEndTime: null,
        applyNum: null,
        liveType: null,
        liveUrl: null,
        isReferral: '1',
        status: '1',
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.rid)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加直播";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const rid = row.rid || this.ids
      getLive(rid).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改直播";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.rid != null) {
            updateLive(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addLive(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const rids = row.rid || this.ids;
      this.$modal.confirm('是否确认删除直播编号为"' + rids + '"的数据项？').then(function () {
        return delLive(rids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/live/export', {
        ...this.queryParams
      }, `live_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
